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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>标题</title>
    <meta name="description" content="关于网页的描述" />
    <meta name="author" content="作者姓名" />
    <!-- 作用于手机端，用于页面不可以用手触摸控制页面的大小“缩放” -->
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    <!-- 标题旁边的图标 -->
    <link rel="shortcut icon" href="https://imgs.wanmen.org/favi.png" />
</head>
<body>
    <header>HTML5的头部区域</header>
    <nav>HTML5的导航栏</nav>
    <section>
        <aside>左侧导航栏或者菜单栏</aside>
    </section>
    <footer>HTML5文档的底部区域</footer>
</body>
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